Yarn twisting or winding machine



(No Model.) 2 Sheets-Sheet 1.

W. CLARK. YARN TWISTING OR WINDING MACHINE. No. 580,181. Patented Apr. 6, 1897. g

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ATTORNEY.

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(No Model.) 2 Sheets-Sheet 2.

- W. CLARK.

YARN TWISTING OR WINDING MACHINE.

No. 580,181. Patented Apr. 6, 1897.

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UNITED STATES PATENT OFFICE.

IVILLIAM CLARK, OF NEWARK, NE\V JERSEY.

YARN TWISTING OR W|NDING MACHINE.

SPECIFICATION forming part of Letters Patent No. 580,181, dated April 6, 1897.

Application filed October 30, 1896. Serial No. 610,525. (No model.)

To aZZ whom it may concern:

Be it known that I, WILLIAM CLARK, a citizen of the United States, and a resident of .Newark, in the county of Essex and State of New Jersey, have invented certain new and useful Improvements in Yarn Twisting or Vinding Machines, of which the following is a specification.

In yarn twisting or winding machines for the manufacture of sewing thread or cotton the twisting-frame usually employs several hundred spindles arranged closely together, side by side, lengthwise of the frame. On each spindle is mounted a receiving-bobbin to take the twisted thread as it comes from the twisting devices, which feed or draw 03 the untwisted yarn from the supply-bobbins. Then the yarn has been entirely unwound from a bobbin, or when a break in the yarn occurs during the twisting operation, the end of the yarn, after leaving the drawing-off rollers, passes almost instantly to the ring and traveler of its associated spindle, and owing to the high speed of the spindle the broken end or the final end of the yarn, as the case may be, is revolved with great rapidity, something like five thousand turns per minute, and in these revolutions the end of the yarn gathers up the oil and dirt, always present at the ring and traveler, (since the traveler is lubricated for easy movement,) and this oil and dirt are communicated or applied not only to the cotton upon the winding or spindle bobbin, upon which the thread is winding, but also to the thread of the spindle-bobbin on each side thereof, and on many occasions the loose or flapping end of the thread causes a breakage of the threads on adjacent spindle-bobbins. As the ring and traveler are moving either up or down when the end of the supply-bobbin is reached or when the break may occur the thread previ ously wo und on the spindle-bobbin is in consequence soiled for a considerable part of its length. As a result of the soiling of the thread it is customary always to stop the spindle at which the break has occurred or at which the supply has given out and unwind or remove several layers of the previously-wound thread on the spindle-bobbin in order to eliminate the portion which has thus been soiled. Not only is this necessary, but it is also required that the spindle on either side of the one just referred to shall also be stopped and like portions of the thread at their bobbins also removed or drawn oif and cut out. The stoppage of the three spindles and the removal of the soiled thread and the consequent tying of knots in the thread involves considerable loss of time on the part of the machinery and operatives, besides entailing a great waste of thread, and causes deterioration of the quality of the thread by reason of the extra number of knots which must be put into it.

My invention has for its main object to provide means whereby, when a supply-bobbin has become exhausted or when a break in the yarn has occurred, the end of the yarn or thread shall be prevented from coming into contact with any of the thread on adjacent winding or spindle bobbins, and hence confine the soiling or spoiling of the thread,which is inevitable to a certain extent, to the particular bobbin at which the break has occurred or at which the supply has become exhausted.

My invention consists in certain features .of construction and combinations of devices,- all as will be hereinafter more fully described, and particularly pointed out in the appended claims.

In carrying out my invention I have employed in practice between each pair of spindle-bobbins (or at each spindle-bobbin) a continuous pin, which projects above and below the ring and traveler. This pin is preferably supported vertically in a hole drilled in the ring plate or holder and is arranged as close to the traveler as practicable. The pin projects on'each side of the ring-plate for a distance of about one inch, but its length or projection may be more or less, according to the desire of the manufacturer.

In operation when the broken or the final end of the yarn passes the drawingoff rollers and reaches the ring and traveler the pins on opposite sides thereof operate to protect the thread on adjacent spindle -bobbins, since they act as barriers and confine the loose and soiled end within the space between the pins. The flapping of the loose end against the pins at the same time causes a wiping and drying of the end of the thread, so that even if the movement of the ring and traveler should carry the pins past the plane of revolution of the loose end and the latter should contact with adjacent threads such adjacent threads would not be soiled thereby. The loose end strikes or lashes each pin about five thousand times before the pins can pass away from the end of the thread. In practice the ring and traveler move either up or down a distance of about one inch during five thousand revolutions of the spindle, and hence with a pin one inch long the thread would strike each pin five thousand times during such move ment of the ring and traveler and pins, the pins being attached to the ring-plate and moving up and down therewith. Of course if the pins were longer the wiping would be longer continued, but I have found in practice that pins of the length mentioned are allsufficient. While this is so, it will be understood, of course, that pins the entire length of the spindle-bobbin may be employed and may be fixed to the spindle-rail, and the ringplates formed with perforations to enable them to slide up and down over the fixed pins, thus extending upwardly from the spindlerail. These pins may be otherwise applied, and of course instead of being made in the form of round-wire pins, such as I prefer, the protecting means may be made in the form of flat or sheet-metal devices or of any other suitable form or material so long as they perform the function of preventing the broken or final ends of the yarn or thread from communicating the greasy, oily, or other like matter to the threads of adjacent spindle-bobbins.

In the accompanying drawings, Figure 1 is a front elevation of a portion of a yarn twisting or winding machine and showing my present invention. Fig. 2 is a side sectional elevation thereof. Fig. 3 is a front elevation of a part of said machine, but showing my improvement carried out in another form. Fig. 4 is a top plan view thereof, omitting the spindle and bobbin.

1 l 1 represent the supply-bobbins, which, as shown, are mounted upon revoluble skewers 2 2 2, suitably supported; 3 and 4:, the drawing-off rollers; 5 5 5, the winding-spindles, and 6 6 G the spindle-bobbins, all of the usual construction, arrangement, and mode of operation.

'7 designates the usual ring-plate, secured upon a cross-rail S, and provided at near its front end with a ring 9 and traveler 10,through which latter the thread 11 passes, and by which it is guided onto the bobbin (5 as the bobbin is rotated and the ring plate or holder is moved alternately up and down. There is one ring-plate and ring and traveler for each spindle-bobbin.

Referring more particularly to Figs. 1 and 2, it will be seen that each ring-plate is provided on one side and in proximity to the ring 9 with a vertically-arranged pin 12, which projects both above and below the said ring and its traveler. This pin may be secured by solder or other suitable means, and while I prefer to make it of one continuous piece it of the ring-plate is preferably about one inch in extent, as hereinbefore explained. For all practical purposes one pin at each ring and traveler is sufficient, but, if desired, two pins may be employed thereat, one on each side of the ring and traveler. lVith the single-pin arrangement shown at Fig. 1 it will may be formed of two separate pieces so secured as that one piece shall project upwardly and the other downwardly from the ring-plate, and the projection of said pin from each side be seen that the thread on adjacent bobbins is fully protected. If, for instance, the thread or yarn which is being wound upon the Inidv dle spindle-bobbin should break or should run off the supply-bobbin, it will be seen that the broken or final end thereof will strike the pin of the middle bobbin and also the pin of the left-hand bobbin, and. thereby prevent the It will be understood, of course, that if the thread feeding to the right-hand bobbin should become broken the pin at the bobbin on the left (or the pin of the middle bobbin) will protect the thread on the left-hand bob bin and the pin at the right-hand bobbin will protect the thread on. the bobbin next adjacent to it on the right, but not shown.

By having the pins, bars, or obstructions 12 projecting upwardly and downwardly the adjacent threads are protected whether the ring and traveler be moving either upwardly or I downwardly, the lower obstructing'device actingduring the upward movement of the ring and traveler and the upper device op erating during the downward movement of the ring and traveler.

Referring now to Figs. 3 and 4, it will be observed that the pin, bar, or obstructing device 12 is secured to the spindle-rail 13 at its lower end and passes through a slot or hole 14 in the ring-plate 7, containing a ring 9' and traveler 10. In this example the obstructing device 12, instead of being made of a round wire or pin-like, as in Figs. 1 and 2, is shown as made of flat wire or of sheet metal and as rectangular in cross-section. The thread-obstructing device 12,being fixed, is made of such a length or height as to afford the required protection to adjacent bobbins,

whatever may be the position or location of the ring and traveler at the time the break per end of said obstructing device 12 extends up to substantially the upper end of the spindle-bobbin.

Various other changes in detail, construction, and arrangement of the obstructing device maybe made without departing from the spirit of my invention.

IVhat I claim herein as new, and desire to secure by Letters Patent, is-

1. In a yarn twisting or winding machine having a series of supply-b0bbins and a se-' 2. In a yarn twisting or winding machine, the combination with the series of supplybobbins and the series of spindle-bobbins, of a series of ring-plates having each a ring and traveler, and also a Vertically-arranged protecting device of the character specified movable up and down with said ring and traveler.

3. In a yarn twisting or winding machine, the combination with the series of supply-bobbins and the series of spindle or receiving bobbins, of a series of ring-plates having each a ring and traveler, and also a protecting pin or pins projecting up \vardly and downwardly from said ring-plates.

Signed at New York city, in the county of New York and State of New York, this 27th day of October, A. D. 1896.

\VM. CLARK.

'Witnesses:

JACOB FELBEL, K. E. DONOVAN. 

